First report of the brown root rot disease caused by Phellinus noxius, its distribution and newly recorded host plants in the Amami Islands, southern Japan
2007
Sahashi, N. | Akiba, M. | Ishihara, M. | Abe, Y. | Morita, S.
To determine whether the brown root rot disease caused by Phellinus noxius is present in the Amami islands, which are situated near Okinawa, we conducted six field surveys from 1999 to 2005. The brown root rot disease was found in 22 tree species in 17 plant families at 25 different sites in all the islands surveyed. Sixteen of these species were newly recorded as host plants of P. noxius. The disease was more common in the low elevation plains and on hills less than 100 m above sea level than in mountainous areas. This is the first report of the brown root rot disease caused by P. noxius in the Amami Islands, Japan, and Ohshima Island is currently the northern-most distribution point of the disease in the northern hemisphere.
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